DE10393588T5 - Optimal propagation system, apparatus and method for liquid cooled, microscale heat exchange - Google Patents
Optimal propagation system, apparatus and method for liquid cooled, microscale heat exchange Download PDFInfo
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- DE10393588T5 DE10393588T5 DE10393588T DE10393588T DE10393588T5 DE 10393588 T5 DE10393588 T5 DE 10393588T5 DE 10393588 T DE10393588 T DE 10393588T DE 10393588 T DE10393588 T DE 10393588T DE 10393588 T5 DE10393588 T5 DE 10393588T5
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B19/00—Machines or pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B1/00 - F04B17/00
- F04B19/006—Micropumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/0266—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with separate evaporating and condensing chambers connected by at least one conduit; Loop-type heat pipes; with multiple or common evaporating or condensing chambers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/12—Elements constructed in the shape of a hollow panel, e.g. with channels
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/46—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements involving the transfer of heat by flowing fluids
- H01L23/473—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements involving the transfer of heat by flowing fluids by flowing liquids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2210/00—Heat exchange conduits
- F28F2210/10—Particular layout, e.g. for uniform temperature distribution
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
Abstract
Eine
Vorrichtung zum fluidgekühlten mikroskalierten
Wärmetausch
von einer Wärmequelle,
umfassend:
a. einen mikroskalierten Bereich, der konfiguriert
ist, um eine Fluidströmung
durch diesen hindurch zuzulassen, und
b. einen Ausbreitungsbereich,
wobei der Ausbreitungsbereich eine erste Seite und eine zweite Seite
aufweist, wobei die erste Seite auf der Wärmequelle positioniert ist
und mit dieser gekoppelt ist, und wobei die zweite Seite mit dem
mikroskalierten Bereich gekoppelt ist.An apparatus for fluid cooled microscale heat exchange from a heat source, comprising:
a. a microscale region configured to allow fluid flow therethrough, and
b. a propagation region, wherein the propagation region has a first side and a second side, wherein the first side is positioned on and coupled to the heat source, and wherein the second side is coupled to the microscale region.
Description
Zugehörige AnmeldungAssociated login
Die vorliegende Patentanmeldung beansprucht die Priorität unter 35 U.S.C. 119 (e) der gleichzeitig anhängigen provisorischen U.S.-Patentanmeldung mit der Seriennummer 60/423,009, die am 1. November 2002 eingereicht wurde, mit dem Titel "Methods for flexible fluid delivery and hotspot cooling by microchannel heat sinks" ("Verfahren zur flexiblen Fluidabgabe und Kühlung von heißen Punkten durch Mikrokanal-Wärmesenken"), die hierdurch unter Bezugnahme aufgenommen wird. Die vorliegende Patentanmeldung beansprucht ebenfalls die Priorität unter 35 U.S.C. 119 (e) der gleichzeitig anhängigen provisorischen U.S.-Patentanmeldung mit der Seriennummer 60/442,383, eingereicht am 24. Januar 2003, mit dem Titel "Optimized plate fin heat exchanger for CPU cooling" ("Optimierter Platten-Rippen-Wärmetauscher für CPU-Kühlung"), die ebenfalls hierdurch unter Bezugnahme aufgenommen wird. Weiterhin beansprucht die vorliegende Patentanmeldung die Priorität unter 35 U.S.C. 119 (e) der gleichzeitig anhängigen provisorischen U.S.-Patentanmeldung mit der Seriennummer 60/455,729, die am 17. März 2003 eingereicht worden ist, mit dem Titel "Microchannel heat exchanger apparatus with porous configuration and method of manufacturing thereof" ("Mikrokanal-Wärmetauschervorrichtung mit poröser Konfiguration und Verfahren zu deren Herstellung"), die hierdurch unter Bezugnahme aufgenommen wird.The This patent application claims priority 35 U.S.C. 119 (e) of the co-pending U.S. Provisional Patent Application with serial number 60 / 423,009 filed on November 1, 2002 was entitled, "Methods for flexible fluid delivery and hotspot cooling by microchannel heat sinks "(" method of flexible Fluid delivery and cooling by hot Points through microchannel heat sinks ") thereby is incorporated by reference. The present patent application also claims priority under 35 U.S.C. 119 (e) the simultaneously pending U.S. Provisional Patent Application Serial No. 60 / 442,383, on January 24, 2003, entitled "Optimized plate fin heat exchanger for CPU cooling "(" Optimized plate-fin heat exchanger for CPU cooling "), which also is hereby incorporated by reference. Further claimed the present application claims priority under 35 U.S.C. 119 (e) the simultaneously pending U.S. Provisional Patent Application Serial No. 60 / 455,729, on the 17th of March 2003, entitled "Microchannel heat exchanger apparatus with porous configuration and method of manufacturing thereof "(" microchannel heat exchanger device with porous Configuration and method of making the same "), which are hereby incorporated by reference becomes.
Gebiet der ErfindungTerritory of invention
Die vorliegende Erfindung bezieht sich auf das Gebiet der Wärmetauscher. Mehr im einzelnen bezieht sich die vorliegende Erfindung auf Systeme und Vorrichtungen sowie auf Verfahren zum Verwenden von Ausbreiteinrichtungen für einen fluidgekühlten, mikroskalierten Wärmetausch auf eine optimale Weise.The The present invention relates to the field of heat exchangers. More particularly, the present invention relates to systems and devices and methods of using spreaders for one fluid-cooled, microscale heat exchange in an optimal way.
Hintergrund der Erfindungbackground the invention
Aufgrund der zunehmenden Leistungsfähigkeit von elektronischen Komponenten besteht eine Notwendigkeit nach höheren Raten der Wärmeabfuhr. Derartige Komponenten weisen eine größere Wärmeerzeugung und kleinere Einheitsgrößen auf. Beispielsweise besteht eine Notwendigkeit, Wärme von Zentralprozessoreinheiten (CPUs) von Personalcomputern in einem Bereich von 50 bis 200 W abzuführen.by virtue of the increasing efficiency There is a need for higher rates for electronic components the heat dissipation. Such components have greater heat generation and smaller unit sizes. For example, there is a need to heat from central processing units (CPUs) of personal computers in a range of 50 to 200 W dissipate.
Verfahren zur Kühlung mit Luft mittels erzwungener und freier Konvektion in Verbindung mit Wärmesenken dienen gegenwärtig als vorherrschendes Verfahren zum Kühlen von Elektronikkomponenten. Die gegenwärtig eingesetzten, herkömmlichen Lüftungssysteme, bei denen aus Aluminium extrudierte oder formgegossene Rippenwärmesenken verwendet werden, sind nicht ausreichend zum Kühlen des großen Wärmeflusses von Chipoberflächen oder für eine große Wärmeableitung bei niedrigem thermischen Widerstand und kompakter Größe.method for cooling with air by means of forced and free convection with heat sinks currently serve as the predominant method of cooling electronic components. The present used, conventional Ventilation systems, aluminum extruded or molded ribbed heat sinks are not sufficient to cool the large heat flow of chip surfaces or for a big heat dissipation with low thermal resistance and compact size.
Derartige luftgekühlte Wärmesenken erfordern allerdings eine größere Oberfläche, um effektiv zu arbeiten. Um in der Lage zu sein, die vergrößerte Wärmelast zu übertragen, müssen die Wärmesenken größer werden. Um an größere Wärmesenken angepaßt zu sein, wird bei Prozessoren eine thermisch leitende Wärmeausbreiteinrichtung verwendet. Allerdings ist von Nachteil, daß die Wärmeausbreiteinrichtung die Gesamtgröße des Oberflächenbereichs auf einer gedruckten Schaltungsplatte, die von einer solchen elektronischen Komponente benötigt wird, vergrößert. Dies hat die Verwendung von größeren Lüftern notwendig gemacht, um den vergrößerten Druckabfall zu überwinden. Daher benötigen gegenwärtig eingesetzte Kühlverfahren einen erheblichen Platz auf der einen Seite, während sie auf der anderen Seite den Eintritt des Luftstroms und die Austrittswege blockieren.such air-cooled heat sinks however, require a larger surface area to to work effectively. In order to be able to increase the heat load transferred to, have to the heat sinks grow. To get bigger heat sinks customized Being a processor becomes a thermally conductive Wärmeausbreiteinrichtung used. However, it is disadvantageous that the Wärmeausbreiteinrichtung the Total size of the surface area on a printed circuit board made by such an electronic component needed is enlarged. This has the use of larger fans necessary made to the increased pressure drop to overcome. Therefore, need currently used cooling method a considerable amount of space on one side while being on the other side block the entry of the airflow and the exit routes.
Weiterhin werden Rippen mit einem hohen Schlankheitsgrad verwendet, um Wärme mit geringem thermischen Widerstand an die Umgebung abzuführen. Allerdings besteht eine Notwendigkeit danach, die Temperatur in der X-Y-Richtung gleichmäßig zu halten, worin ein Nachteil von gegenwärtig eingesetzten, herkömmlichen Verfahren zur Wärmeableitung liegt, bei denen lediglich eine Wärmeübertragung in einer Richtung erfolgt.Farther Ribs with a high degree of slimming are used to heat with dissipate low thermal resistance to the environment. Indeed there is a need for it, the temperature in the X-Y direction to keep even wherein a disadvantage of present used, conventional Process for heat dissipation lies where only a heat transfer takes place in one direction.
Es besteht daher ein Bedarf nach einem effizienteren und effektiveren Kühlsystem. Dieses Ziel kann durch die Verwendung von Verfahren und Vorrichtungen zur Flüssigkeitskühlung erreicht werden. Ein Kühlsystem mit gepumpter Flüssigkeit kann mehr Wärme mit einem erheblich geringeren Strömungsvolumen abführen und eine bessere Gleichmäßigkeit der Temperatur aufrechterhalten. Diese Ergebnisse werden mit einem wesentlich geringeren akustischen Geräusch erreicht.There is therefore a need for a more efficient and effective cooling system. This goal can be achieved by the use of methods and devices for liquid cooling. A pumped fluid cooling system can dissipate more heat with a significantly lower flow volume and maintain better temperature uniformity. These results are achieved with a much lower acoustic noise.
Zusammenfassung der ErfindungSummary of the invention
Die Miniaturisierung von elektronischen Komponenten oder Bauteilen hat zu erheblichen Problemen geführt, die mit der Überhitzung von integrierten Schaltungen zusammenhängen. Eine effektive Kühlung von Wärmeströmen, die 100 W/cm2 überschreiten, von einer relativ kleinen Oberfläche, ist erforderlich. Fluidgekühlte, mikroskalierte Wärmetauscher bieten er hebliche Vorteile im Hinblick auf ihre Leistungsfähigkeit zur Abführung eines Wärmestroms, im Vergleich mit herkömmlichen Kühlvorrichtungen. Es sei darauf verwiesen, daß der mikroskalierte Wärmetauscher je nach der Ausführungsform der vorliegenden Erfindung aus Mikrokanälen, einer mikroporösen Struktur oder aus Mikrosäulen bestehen kann, oder aus der Gruppe von Mikrokanälen, einer mikroporösen Struktur und Mikrosäulen bestehen oder daraus ausgewählt sein kann.The miniaturization of electronic components or components has led to significant problems associated with the overheating of integrated circuits. Effective cooling of heat fluxes exceeding 100 W / cm 2 from a relatively small surface area is required. Fluid cooled, micro scaled heat exchangers offer significant advantages in terms of their capacity to dissipate heat flow compared to conventional cooling devices. It should be understood that, depending on the embodiment of the present invention, the micro-scaled heat exchanger may consist of or be selected from microchannels, a microporous structure or microcolumns, or may be selected from the group of microchannels, a microporous structure and microcolumns.
Wärmeströme von mehr als 100 W/cm2 können unter Verwendung der vorliegend offenbarten mikroskalierten Wärmetauscher abgeführt werden, die aus Mikrokanälen aus Silizium oder aus anderen Materialien bestehen, von Wärmequellen wie bspw. einem Mikroprozessor. Anders als beim Stand der Technik stellen fluidgekühlte mikroskalierte Wärmetauscher, wie sie in der vorliegenden Erfindung offenbart sind, eine extrem große Wärmeübertragungsfläche pro Einheitsvolumen auf eine optimale Weise zur Verfügung. Die mikroskalierten Wärmetauscher der bevorzugten Ausführungsform der vorliegenden Erfindung bestehen aus Mikrokanälen mit Mikrokanalwänden mit Breitenabmessungen im Bereich von und einschließlich 10 Mikrometer bis 100 Mikrometer. Alternative Ausführungsformen des mikroskalierten Wärmetauschers beinhalten Mikrokanäle, eine mikroporöse Struktur oder Mikrosäulen, oder bestehen aus der Gruppe von Mikrokanälen, einer mikroporösen Struktur und Mikrosäulen oder sind daraus ausgewählt. Die bevorzugte Ausführungsform der vorliegenden Erfindung hält im wesentlichen eine gleichmäßige Temperatur in der X-Y-Richtung aufrecht, zusätzlich dazu, daß Wärme an die Umgebung mit niedrigem thermischen Widerstand abgegeben wird. Dies wird dadurch erreicht, daß Rippen mit einem großen Schlankheitsgrad verwendet werden, die Wärme an die Umgebung mit niedrigem thermischen Widerstand übertragen, während gleichzeitig eine Gleichmäßigkeit der Temperatur in der X-Y-Richtung aufrechterhalten wird, was bei gegenwärtig verwendeten, herkömmlichen Verfahren zur Wärmeableitung ein Problem bzw. einen Nachteil darstellt, bei denen Wärme lediglich in einer Richtung übertragen wird.Heat fluxes greater than 100 W / cm 2 can be dissipated using the presently disclosed microsized heat exchangers consisting of microchannels of silicon or other materials, heat sources such as a microprocessor. Unlike the prior art, fluid cooled micro scaled heat exchangers as disclosed in the present invention provide an extremely large heat transfer area per unit volume in an optimum manner. The micro scaled heat exchangers of the preferred embodiment of the present invention consist of microchannels having microchannel walls with width dimensions ranging from and including 10 microns to 100 microns. Alternative embodiments of the microscale heat exchanger include or are selected from microchannels, a microporous structure, or microcolumns, or are selected from the group of microchannels, a microporous structure, and microcolumns. The preferred embodiment of the present invention maintains substantially uniform temperature in the XY direction, in addition to dissipating heat to the low thermal resistance environment. This is achieved by using large-slit ribs that transfer heat to the low thermal resistance environment while maintaining temperature uniformity in the XY direction, which is a problem with currently used conventional heat dissipation methods or a disadvantage in which heat is transmitted only in one direction.
Damit fluidgekühlte mikroskalierte Wärmetauscher eine extrem große Wärmeübertragungsfläche je Einheitsvolumen bereitstellen können, müssen die geometrischen Parameter der Wärmetauscher sorgfältig betrachtet werden, da diese Parameter einen Einfluß auf die Eigen schaften der konvektiven Wärmeübertragung haben. Aus diesem Grunde werden bei der Auslegung von Systemen, bei denen die vorliegende Erfindung eingesetzt wird, vorzugsweise Schlüsselparameter wie etwa der Druck, der benötigt wird, um das Kühlfluid zu pumpen, die Durchflußrate, der hydraulische Durchmesser des Kanals, die Temperatur des Fluids und der Kanalwand sowie die Anzahl der Kanäle optimiert. Die vorliegende Erfindung stellt optimierte Parameter bereit, so daß die fluidgekühlten mikroskalierten Wärmetauscher in der Lage sind, als effizientes und ökonomisches Mittel zum Abführen einer großen Wärmelast je Einheitsvolumen zu dienen.In order to fluid-cooled Microscale heat exchangers an extremely big one Heat transfer area per unit volume can provide have to Carefully consider the geometric parameters of the heat exchangers since these parameters have an influence on the properties of the convective heat transfer to have. For this reason, when designing systems, in which the present invention is used, preferably key parameters such as the pressure needed is going to be the cooling fluid to pump, the flow rate, the hydraulic diameter of the channel, the temperature of the fluid and the channel wall and the number of channels optimized. The present The invention provides optimized parameters so that the fluid cooled microscaled heat exchangers are able, as an efficient and economical means for discharging a huge heat load to serve per unit volume.
Die Ausführungsformen der vorliegenden Erfindung stellen spezielle Bauarten von Ausbreiteinrichtungen bereit, die für einen fluidgekühlten mikroskalierten Wärmetausch verwendet werden. Spezielle Materialien und Abmessungsbereiche, bei denen sich im Wege von Simulationen gezeigt hat, daß sie erhebliche Vorteile in der Leistungscharakteristik mit sich bringen, sind ebenfalls durch die vorliegende Erfindung offenbart. Mikrokanäle mit großen Schlankheitsgraden mit Verhältnissen von Tiefe zu Breite im Verhältnis von 10 bis 50 werden für den mikroskalierten Wärmetauscher bevorzugt, insbesondere für eine einphasige Flüssigkeitsströmung. Diese Schlankheitsgrade ermöglichen, daß große Mengen an Fluid durch den fluidgekühlten mikroskalierten Wärmetauscher bei einem optimierten Druckabfall gepumpt werden, während das Fluid gleichzeitig die Möglichkeit hat, einen hohen thermischen Konvektionskoeffizienten an die Seitenwände der Mikrokanäle aufrechtzuerhalten, bei der mit Mikrokanälen versehenen Ausführungsform der vorliegenden Erfindung.The embodiments of the present invention represent special types of spreaders ready for that a fluid cooled microscale heat exchange be used. Special materials and dimensions, which have been shown by simulations to be substantial Benefits in the performance characteristics are also disclosed by the present invention. Microchannels with great slenderness with circumstances from depth to width in proportion from 10 to 50 will be for the micro scaled heat exchanger preferred, in particular for a single-phase liquid flow. These Allow for slimming that big amounts fluid through the fluid-cooled Microscale heat exchanger be pumped at an optimized pressure drop while the Fluid at the same time the opportunity has a high thermal convection coefficient to the sidewalls of the microchannels maintain, in the embodiment provided with microchannels of the present invention.
In der bevorzugten Ausführungsform der vorliegenden Erfindung beinhalten ein Ausbreitungsbereich und ein mikroskalierter Bereich die getrennten Komponenten der mikroskalierten fluidgekühlten Wärmetauschervorrichtung. Der Ausbreitungsbereich, der vorzugsweise aus Kupfer besteht, ist bevorzugt zwischen dem mikroskalierten Bereich, der vorzugsweise aus Silizium besteht, und der Wärmequelle, bei der es sich vorzugsweise um einen Mikroprozessor handelt, angeordnet. In alternativen Ausführungsformen der vorliegenden Erfindung liegen der Ausbreitungsbereich, der mikroskalierte Bereich und die Wärmequelle in einer monolithischen Konfiguration vor und bilden eine monolithische Struktur, d. h. die Kompo nenten der Vorrichtung bestehen aus, bilden oder sind gebildet aus einer einzigen Einheit. Unabhängig von der Ausführungsform ist der eine größere thermische Leitfähigkeit aufweisende Ausbreitungsbereich in seitlicher oder Querrichtung breiter als die Wärmequelle und liegt zwischen dem mikroskalierten Bereich und der Wärmequelle, und daß der mikroskalierte in bezug auf die Wärmequelle (auf beiden Seiten der Wärmequelle) übersteht, wie nachfolgend noch mehr im einzelnen beschrieben wird.In the preferred embodiment of the present invention, a propagation region and a microscale region include the separate components of the micro-scaled fluid-cooled heat exchange device. The propagation region, which preferably consists of copper, is preferably arranged between the microscale region, which preferably consists of silicon, and the heat source, which is preferably a microprocessor. In alternative embodiments of the present Er The propagation region, the microscale region and the heat source are in a monolithic configuration and form a monolithic structure, ie the components of the device consist of, form or are formed from a single unit. Regardless of the embodiment, the propagation area having a larger thermal conductivity is wider in the lateral or transverse direction than the heat source and is located between the microscale area and the heat source, and the microscale protrudes with respect to the heat source (both sides of the heat source), as follows will be described in more detail.
Die genaue Breite für die mikroskalierten und Ausbreitungsbereiche werden offenbart. Zusätzlich offenbart die vorliegende Erfindung spezielle Bereiche für optimale Abmessungen der mikroskalierten und Ausbreitungsbereiche, die die thermische Leistungsfähigkeit maximieren.The exact width for the microscale and propagation areas are revealed. Additionally disclosed the present invention specific areas for optimum dimensions of microscale and propagation areas that improve thermal performance maximize.
Kurze Beschreibung der ZeichnungenShort description the drawings
Detaillierte Beschreibung der bevorzugten Ausführungsformdetailed Description of the preferred embodiment
Die geometrischen Parameter von Wärmetauschern haben einen erheblichen Einfluß auf deren konvektive Wärmeübertragungseigenschaften. Aus diesem Grunde werden bei Auslegungen oder Konstruktionen gemäß der vorliegenden Erfindung vorzugsweise Schlüsselparameter des Wärmetauschs optimiert, wie etwa: der Druck, der benötigt wird, um das Kühlfluid zu pumpen; der Strömungsdurchsatz; der hydraulische Durchmesser des Kanals; die Temperatur des Fluids und der Kanalwand; und die Anzahl der benötigten Kanäle. Die vorliegende Erfindung stellt optimierte Parameter bereit, so daß die fluidgekühlte mikroskalierte optimierte Ausbreitungseinrichtung die Möglichkeit erhält, als ein effizientes und ökonomisches Mittel zum Abführen einer großen Wärmelast je Einheitsvolumen zu dienen.The geometric parameters of heat exchangers have a significant impact on their convective heat transfer properties. For this reason, in designs or constructions according to the present Invention preferably key parameters the heat exchange optimized, such as: the pressure that is needed to the cooling fluid to pump; the flow rate; the hydraulic diameter of the channel; the temperature of the fluid and the channel wall; and the number of channels required. The present invention Provides optimized parameters so that the fluid-cooled micro-scaled optimized propagation device gets the opportunity as an efficient and economical Means for removing a big one heat load to serve per unit volume.
Ausführungsformen der vorliegenden Erfindung stellen effektive und effiziente Lösungen bereit, um die absoluten und relativen Abmessungen des fluidgekühlten mikroskalierten Wärmetauschers, seiner Ausbreitungs- und mikroskalierten Bereiche und auch des Überstands des Mikrostrukturbereichs in bezug auf eine Wärmequelle wie etwa einen Mikroprozessor zu optimieren. Die Dicke und Breite des mikroskalierten Bereichs und des Ausbreitungsbereichs nach der vorliegenden Erfindung gleichen den vertikalen thermischen Widerstand des mikroskalierten Bereichs und des Ausbreitungsbereichs gegenüber der Vergrößerung der Fläche für einen optimierten Wärmeübergang in ein Fluid aus.embodiments of the present invention provide effective and efficient solutions to the absolute and relative dimensions of the fluid-cooled micro-scaled heat exchanger, its propagation and microscale areas and also the supernatant of the microstructure area with respect to a heat source such as a microprocessor to optimize. The thickness and width of the microscale area and of the propagation range according to the present invention the vertical thermal resistance of the microscale area and the range of propagation over the enlargement of the area for one optimized heat transfer into a fluid.
Insbesondere
weist die Vorrichtung
Wie
in den Ausführungsformen
der vorliegenden Erfindung offenbart ist, liegt die optimale Dicke
des Ausbreitungsbereichs, die Abmessung HSR,
in dem Bereich von 0,3 bis 2,0 mm. Weiterhin beträgt die Überhang-
oder Überstandsabmessung
WOH, die auch als der Unterschied zwischen
den Breiten des mikroskalierten Bereichs und der entsprechenden
Wärmequelle,
WS – Wm, bezeichnet ist, in dem Bereich von 0 bis
15 mm auf jeder Seite der Wärmequelle.
Die Höhe
des mikroskalierten Bereichs
Der
mikroskalierte Bereich
Es
wird deutlich, daß der
mikroskalierte Bereich
Die
bevorzugte Ausführungsform
der vorliegenden Erfindung weist Mikrokanäle auf, wobei die Mikrokanäle Wände aufweisen,
mit Höhen
(d. h. in Richtung senkrecht zu der Wärmequelle) HMS in
dem Bereich von 50 Mikrometer bis 2 Millimeter und Breiten der Wände der
Mikrokanäle
in dem Bereich von 10 bis 150 Mikrometer. Die aktuellen Herstellungstechniken,
die diese Seitenverhältnisse
oder Schlankheitsgrade erzielen können, sind bspw. Plasmaätzen und
LIGA-Herstellung. Die meisten dieser Techniken werden gegenwärtig bei
der Halbleiterherstellung (hauptsächlich Silizium) eingesetzt.
In der bevorzugten Ausführungsform
der vorliegenden Erfindung besteht der mikroskalierte Bereich
Der
Ausbreitungsbereich
In
alternativen Ausführungsformen
der vorliegenden Erfindung liegen der Ausbreitungsbereich
Um
einen minimalen thermischen Widerstand zwischen dem Fluid in dem
mikroskalierten Bereich
TABELLE 1 TABLE 1
TABELLE 2 TABLE 2
TABELLE 3 TABLE 3
Es sei darauf verwiesen, daß die optimalen Abmessungen, die in den Tabellen 1, 2 und 3 aufgeführt sind, von den Eigenschaften des Materials und des Fluids abhängen. Allerdings sei darauf verwiesen, daß die aufgeführten optimalen Abmessungen durch einen Mann vom Fach angepaßt werden, wenn andere Materialien oder Fluide verwendet werden, als die, die in der vorliegenden Erfindung diskutiert sind.It It should be noted that the optimal dimensions, which are listed in Tables 1, 2 and 3, depend on the properties of the material and the fluid. Indeed it should be noted that the listed optimal Dimensions are adapted by a man from the subject when other materials or fluids used than those used in the present invention are discussed.
Der
Ausbreitungsbereich
Wie vorstehend dargelegt, besteht der mikroskalierte Bereich vorzugsweise aus Mikrokanälen oder beinhaltet solche, wobei die Mikrokanäle Wände aufweisen. Zumindest einer der Mikrokanäle weist eine Höhenabmessung innerhalb des Bereichs von und einschließlich 50 Mikrometer und 2 mm auf, und mindestens zwei der Mikrokanäle sind voneinander getrennt durch eine Abstandsabmessung innerhalb des Bereichs von und einschließlich 10 – 150 Mikrometer. Die bevorzugten Mikrokanäle weisen zumindest einen Mikrokanal auf, der eine Breitenabmessung innerhalb des Bereichs von und einschließlich 10 bis 150 Mikrometer aufweist.As As stated above, the microscale range is preferably from microchannels or includes such, wherein the microchannels have walls. At least one the microchannels has a height dimension within the range of and including 50 microns and 2 mm on, and at least two of the microchannels are separated by a distance dimension within the range of and including 10-150 microns. The preferred microchannels have at least one microchannel having a width dimension within the range of and including 10 to 150 microns having.
In alternativen Ausführungsformen weist der mikroskalierte Bereich eine mikroporöse Struktur auf. Die mikroporöse Struktur weist ein poröses Material mit einer Porosität innerhalb des Bereichs von und einschließlich 50 – 80 % auf, wobei die mikroporöse Struktur eine durchschnittliche Porengröße innerhalb des Bereichs von und einschließlich 10 – 200 Mikrometer aufweist. Bei der alternativen Ausführungsform weist die mikroporöse Struktur eine Höhe innerhalb des Bereichs von und einschließlich 0,25 bis 2,0 mm auf.In alternative embodiments For example, the microscale region has a microporous structure. The microporous structure has a porous Material with a porosity within the range of and including 50-80%, with the microporous structure an average pore size within of the range of and including 10 - 200 Having micrometer. In the alternative embodiment, the microporous structure a height within the range of and including 0.25 to 2.0 mm.
In noch einer weiteren Ausführungsform weist der mikroskalierte Bereich Mikrosäulen auf. Die Mikrosäulen weisen eine Anzahl von Stiften oder Zapfen auf, wobei zumindest einer aus der Anzahl von Stiften eine Flächenabmessung innerhalb des Bereichs von und einschließlich (10 Mikrometer)2 und (100 Mikrometer)2 aufweist. Zumindest einer aus der Anzahl von Stif ten weist eine Höhenabmessung innerhalb des Bereichs von und einschließlich 50 Mikrometer und 2 mm auf, und zumindest zwei aus der Anzahl von Stiften sind voneinander um eine Abstandsabmessung innerhalb des Bereichs von und einschließlich 10 bis 150 Mikrometer getrennt. Es sei auch darauf verwiesen, daß der mikroskalierte Bereich in einer anderen Alternative aus der Gruppe von Mikrokanälen, einer mikroporösen Struktur und Mikrosäulen besteht.In yet another embodiment, the microscale region has microcolumns. The microcolumns have a number of pins or pegs, with at least one of the number of pens having a face dimension within the range of and including (10 microns) 2 and (100 microns) 2 . At least one of the number of pins has a height dimension within the range of and including 50 microns and 2 mm, and at least two of the number of pins are separated from each other by a distance dimension within the range of and including 10 to 150 microns. It should also be noted that in another alternative, the microscale region is comprised of microchannels, a microporous structure, and microcolumns.
Der
Ausbreitungsbereich
Der
Ausbreitungsbereich
Die
Sammelleitungs-Lage
Die vorliegende Erfindung beschreibt auch ein Verfahren zum Herstellen einer fluidgekühlten mikroskalierten Wärmetauschervorrichtung, umfassend das Herstellen eines mikroskalierten Bereichs, der Silizium umfaßt, das Herstellen eines Ausbreitungsbereichs, der Kupfer umfaßt, und das Koppeln des mikroskalierten Bereichs mit dem Ausbreitungsbereich. Bei alternativen Verfahren sind der mikroskalierte Bereich und der Ausbreitungsbereich monolitisch, wie vorstehend beschrieben ist. Das bevorzugte Verfahren umfaßt eine Herstellung des mikroskalierten Ausbreitungsbereichs ausgehend von präzisionsbearbeiteten Metallen. In alternativen Verfahren wird der mikroskalierte Ausbreitungsbereich ausgehend von präzisionsbearbeiteten Legierungen hergestellt.The The present invention also describes a method of manufacturing a fluid cooled micro scaled heat exchanger device, comprising producing a microscale region comprising silicon, the Producing a propagation region comprising copper, and coupling the microscale region to the propagation region. In alternative methods, the microscale area and the propagation area monolithic, as described above. The preferred method comprises a preparation of the microscale propagation range starting from precision machined Metals. In alternative methods, the microscale spread range starting from precision machined Alloys made.
Weiterhin ist ein System für einen fluidgekühlten mikroskalierten Wärmeaustausch beschrieben. Das nicht dargestellte System weist eine Wärmequelle auf, ein Mittel zum Ausbreiten von Wärme, ein Mittel zum Zuführen von Fluiden und ein Mittel für eine mikroskalierte Fluidströmung. Das Mittel zum Ausbreiten von Wärme ist mit der Wärmequelle gekoppelt. Das Mittel für eine mikroskalierte Fluidströmung ist so konfiguriert, daß es ein Fluid von dem Mittel zum Zuführen von Fluid erhält. Das Mittel für eine mikroskalierte Fluidströmung weist in bevorzugter Weise Mikrokanäle auf, wobei die Mikrokanäle Wände aufweisen, weist allerdings in alternativen Ausführungsformen eine mikroporöse Struktur oder Mikrosäulen auf, oder besteht aus der Gruppe von Mikrokanälen, einer mikroporösen Struktur und Mikrosäulen. Das Mittel für eine mikroskalierte Fluidströmung ist mit dem Mittel zum Ausbreiten von Wärme gekoppelt.Furthermore, a system for a fluid-cooled microscale heat exchange is described. The unillustrated system includes a heat source, a means for dissipating heat, a means for supplying fluids, and a means for a microscale fluid flow. The means for spreading heat me is coupled with the heat source. The means for a microscale fluid flow is configured to receive fluid from the fluid delivery means. The means for a microsized fluid flow preferably has microchannels, the microchannels having walls, but in alternative embodiments has a microporous structure or microcolumns, or consists of the group of microchannels, a microporous structure, and microcolumns. The means for a microscale fluid flow is coupled to the means for dissipating heat.
Anders als beim Stand der Technik stellen die fluidgekühlten mikroskalierten Wärmetauscher, die in der vorliegenden Erfindung beschrieben sind, eine extrem große Wärmeübertragungsfläche pro Einheitsvolumen auf eine optimale Weise zur Verfügung. Darüber hinaus hält die vorliegende Erfindung im wesentlichen eine Gleichförmigkeit der Temperatur in der X-Y-Richtung aufrecht, zusätzlich dazu, daß Wärme an die Umgebung mit einem niedrigen thermischen Widerstand abgegeben wird. Ein weiterer Vorteil der vorliegenden Erfindung besteht darin, daß sie einen Ausbreitungsbereich einsetzt, um die seitliche bzw. in Querrichtung erfolgende Ausbreitung der Wärme, die die Wärmequelle verläßt, zu begünstigen, zusammen mit dem mikroskalierten Bereich, um große Seitenverhältnisse bzw. Schlankheitsgrade zu erzielen, die dazu beitragen, Wärme an das Fluid zu übertragen, so daß ein optimaler, aus zusammengesetztem Material bestehender, fluidgekühlter mikroskalierter Wärmetauscher geschaffen wird.Different as in the prior art, the fluid cooled micro scale heat exchangers, which are described in the present invention, an extreme size Heat transfer surface per Unit volume available in an optimal manner. In addition, the present holds Invention substantially a uniformity of the temperature in the X-Y direction upright, in addition that heat to the Environment is issued with a low thermal resistance. Another advantage of the present invention is that it has a Spreading area begins to the lateral or in the transverse direction the spread of heat, the the heat source leaves, to favor, along with the microscale area to get large aspect ratios or slimming levels, which contribute to heat to the To transfer fluid so that one optimum, fluid-cooled, micro-scale composed of composite material heat exchangers is created.
Die vorliegende Erfindung ist in Bezug auf spezielle Ausführungsformen beschrieben worden, mit Einzelheiten, um das Verständnis der Grundlagen der Konstruktion und Arbeitsweise der vorliegenden Erfindung zu erleichtern. Eine derartige Bezugnahme auf spezielle Ausführungsformen und Einzelheiten der Erfindung ist allerdings nicht darauf gerichtet, den Umfang der angefügten Ansprüche zu beschränken. Für Fachleute auf dem vorliegenden Gebiet der Technik ist es offensichtlich, daß Veränderungen in den Ausführungsformen vorgenommen werden können, die zur Erläuterung ausgewählt worden sind, ohne daß die Grundgedanken und der Bereich der vorliegenden Erfindung verlassen werden.The The present invention is related to specific embodiments been described, with details to help understand Fundamentals of construction and operation of the present invention facilitate. Such a reference to specific embodiments and details of the invention, however, are not directed the scope of the attached claims to restrict. For professionals It is obvious in the art that changes in the embodiments can be made for explanation selected have been without the The basic idea and the scope of the present invention leave become.
Zusammenfassung der BeschreibungSummary the description
Eine Vorrichtung, ein Verfahren und ein System für einen fluidgekühlten mikroskalierten Wärmetauscher wird beschrieben. Der fluidgekühlte mikroskalierte Wärmetauscher verwendet einen mikroskalierten Bereich und einen Ausbreitungsbereich mit speziellen Materialien und Abmessungsbereichen, um eine große Wärmeableitung und Übertragungsfläche pro Einheitsvolumen von einer Wärmequelle zu erreichen. Der mikroskalierte Bereich weist bevorzugt Mikrokanäle auf, weist allerdings in alternativen Ausführungsformen eine mikroporöse Struktur oder Mikrosäulen auf, oder besteht aus der Gruppe von Mikrokanälen, einer mikroporösen Struktur und Mikrosäulen.An apparatus, a method and a system for a fluid cooled microcalculated heat exchanger will be described. The fluid cooled microcalculated heat exchanger uses a microscale region and a propagation region with specific materials and dimensional ranges to achieve high heat dissipation and transmission area per unit volume from a heat source. The microscale region preferably has microchannels, but in alternative embodiments has a microporous structure or microcolumns, or consists of the group of microchannels, a microporous one sen structure and microcolumns.
Claims (109)
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PCT/US2003/034755 WO2004042305A2 (en) | 2002-11-01 | 2003-10-30 | Optimal spreader system, device and method for fluid cooled micro-scaled heat exchange |
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DE10393583T Withdrawn DE10393583T5 (en) | 2002-11-01 | 2003-10-31 | Ribbed heat exchange system with channel flat plates, device and method |
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2003
- 2003-10-30 AU AU2003286821A patent/AU2003286821A1/en not_active Abandoned
- 2003-10-30 TW TW092130366A patent/TWI318289B/en not_active IP Right Cessation
- 2003-10-30 TW TW092130364A patent/TWI300466B/en not_active IP Right Cessation
- 2003-10-30 WO PCT/US2003/034755 patent/WO2004042305A2/en active Application Filing
- 2003-10-30 JP JP2005502246A patent/JP2006522463A/en active Pending
- 2003-10-30 US US10/699,505 patent/US6988535B2/en not_active Expired - Lifetime
- 2003-10-30 DE DE10393588T patent/DE10393588T5/en not_active Withdrawn
- 2003-10-30 US US10/698,180 patent/US7806168B2/en active Active
- 2003-10-31 AU AU2003291347A patent/AU2003291347A1/en not_active Abandoned
- 2003-10-31 DE DE10393583T patent/DE10393583T5/en not_active Withdrawn
- 2003-10-31 WO PCT/US2003/035432 patent/WO2004042302A2/en active Application Filing
- 2003-10-31 JP JP2005502282A patent/JP2006511787A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006050256A1 (en) * | 2006-10-23 | 2008-04-30 | Pahls, Hans-Helmut, Dipl.-Ing. | Cooler i.e. water cooler, for e.g. electronic component i.e. computer, has chambers and nozzles directly arranged in base plate, where medium flows via chambers and nozzles such that heat energy is carried from core and center of cooler |
DE102022108277A1 (en) | 2022-04-06 | 2023-10-12 | Semikron Elektronik Gmbh & Co. Kg | Housing, in particular for a power electronic assembly, and arrangement therewith |
Also Published As
Publication number | Publication date |
---|---|
TW200416375A (en) | 2004-09-01 |
TWI318289B (en) | 2009-12-11 |
US7806168B2 (en) | 2010-10-05 |
WO2004042302A2 (en) | 2004-05-21 |
US20040188066A1 (en) | 2004-09-30 |
WO2004042305A2 (en) | 2004-05-21 |
JP2006511787A (en) | 2006-04-06 |
DE10393583T5 (en) | 2006-02-23 |
JP2006522463A (en) | 2006-09-28 |
WO2004042305A3 (en) | 2004-07-08 |
TW200412411A (en) | 2004-07-16 |
AU2003291347A8 (en) | 2004-06-07 |
AU2003286821A1 (en) | 2004-06-07 |
AU2003291347A1 (en) | 2004-06-07 |
AU2003286821A8 (en) | 2004-06-07 |
WO2004042302A3 (en) | 2005-05-12 |
TWI300466B (en) | 2008-09-01 |
US20040188064A1 (en) | 2004-09-30 |
US6988535B2 (en) | 2006-01-24 |
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